Answer: The first one, to keep the blood flowing in only one direction
Answer:
Food
Explanation:
Malnutrition is when your body is lacking the necessary nutrients.
Answer:
D.) Oxygen-poor
Explanation:
The pulmonary veins are the vessels that carry the oxygen-rich blood to the left atrium
Answer:
True
Explanation:
It <em>is </em>important to match your fitness center's amenities and services with your needs.
